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A Rat Model of Orthotopic Liver Transplantation Using a Novel Magnetic Anastomosis Technique for Suprahepatic Vena Cava Reconstruction
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The novel magnetic compression anastomosis (magnamosis) device successfully created intestinal connections in 5 patients without sutures or staples. This first-in-human study found no anastomotic complications at intermediate follow-up.

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Area of Science:

  • Surgical Innovation
  • Gastroenterology
  • Medical Devices

Background:

  • Magnetic compression anastomosis (magnamosis) utilizes magnetic Harrison Rings for sutureless intestinal connection.
  • This study presents the first human case series of the magnamosis device.

Purpose of the Study:

  • To evaluate the feasibility and safety of the magnamosis device in creating intestinal anastomoses.
  • To report the initial outcomes of a first-in-human pilot trial.

Main Methods:

  • A prospective, single-center, first-in-human pilot trial was conducted.
  • The magnamosis device was used to create side-to-side, functional end-to-end small bowel anastomoses in 5 adult patients.
  • Device passage and patient adverse events were monitored.

Main Results:

  • All 5 patients underwent successful small bowel anastomosis using the magnamosis device.
  • The device passed naturally without obstruction or pain in all cases.
  • No anastomotic complications, such as leaks, bleeding, or strictures, were observed at a median follow-up of 13 months.

Conclusions:

  • The magnamosis device was successfully placed and effectively created intestinal anastomoses in all patients.
  • This initial case series demonstrates the safety and efficacy of magnamosis in humans.
  • No anastomotic complications were noted at intermediate follow-up.